EP1829462A1 - Klapptisch - Google Patents

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Publication number
EP1829462A1
EP1829462A1 EP05826511A EP05826511A EP1829462A1 EP 1829462 A1 EP1829462 A1 EP 1829462A1 EP 05826511 A EP05826511 A EP 05826511A EP 05826511 A EP05826511 A EP 05826511A EP 1829462 A1 EP1829462 A1 EP 1829462A1
Authority
EP
European Patent Office
Prior art keywords
articulation
halves
legs
support
folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05826511A
Other languages
English (en)
French (fr)
Inventor
Angel Martinez Leon
Francisco Espina Canales
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPORT ENEBE SL
Original Assignee
SPORT ENEBE SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SPORT ENEBE SL filed Critical SPORT ENEBE SL
Publication of EP1829462A1 publication Critical patent/EP1829462A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B25/00—Card tables; Tables for other games
    • A47B25/003—Card tables; Tables for other games for table tennis
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A47B3/083—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves
    • A47B3/087—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves with struts supporting the legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A47B3/091—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs
    • A47B3/0911—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs the struts being permanently connected to top and leg or underframe and leg

Definitions

  • the present invention relates to the technical field of folding tables. It relates more specifically to a folding table of the type that comprises a table top consisting of two halves that are articulated to one another, it being possible for the two halves to be either extended to form a single plane or folded against one another, and a frame underneath the table top to support the table at the right height from the floor.
  • the present invention is particularly applicable for a folding table of the aforementioned type that is adapted for use as a table tennis or ping-pong table.
  • some ping-pong tables offer the possibility of being folded along the middle, in such a way that each of the halves is in vertical position, one adjacent to the other. This means that once play has finished, the space occupied by the table is reduced as much as possible so that it can be occupied by other items or for a different activity. Except in permanent competition or merely recreational facilities, it is advisable for tables to be foldable and light, in order to enable their easy removal and leave the occupied space free.
  • the aim is to achieve a ping-pong table that is easily foldable, which, once folded, occupies the smallest possible space, is light yet robust and has a simple folding mechanism that is safe and efficient (in order to reduce production costs).
  • a simple folding mechanism could be associated with a mechanism that is not very robust or low-quality.
  • Another Spanish utility model with publication number ES1007292U , discloses a folding ping-pong table wherein the legs are removed from the table top when this is to be folded.
  • the utility model with application number ES0208534U discloses a folding ping-pong table wherein the structures of the legs fold inwards by means of telescopic arms.
  • This type of mechanism which is well known in different industrial sectors, involves a certain degree of complexity in its manufacture and is not sufficiently robust, especially when the table must be folded and unfolded frequently.
  • the present invention presents an alternative mechanism that is applied to ping-pong tables so that they may be folded quickly and easily.
  • said mechanism is simple to manufacture and the result is a folding ping-pong table that, once folded, occupies very little space and is easy to store and transport.
  • the object of this invention is a folding table of the aforementioned type, which is essentially characterised in that the two halves are articulated to one another on hinges situated in the area where the two halves of the table top join one another; and in that the frame comprises at least two support assemblies that are symmetrical with regard to the imaginary plane that is perpendicular to the plane of the extended table top which passes through the axis of the articulation of the two halves of the table top, each support assembly having at least two legs articulated at the top to the corresponding half of the table top, and at least one strut connected by articulation at one end to one of the legs and by the other end to the other half of the table top, also by articulation, at a certain distance from the articulation of the two halves of the table top, in such a way that, in each support assembly, the leg, the strut, the segment of one half that is between a first articulation and a third articulation, and the segment of the other half that is between a second
  • each support assembly the lengths of their elements are such that they substantially verify the relationship wherein the sum of the lengths of the strut plus the section of the table top that runs from the articulation of the two halves of the table top to the point of articulation of the strut with the table top is equal to the sum of the lengths of the segment that runs from the point where the strut is attached to the leg to the articulated top end of said leg plus the segment that runs from said articulated top end of the leg to the articulation of the two halves of the table top.
  • the shaft of the hinges is situated, in the table's unfolded position, below the level of the plane formed by the two unfolded halves, and on the vertical plane defined by the adjacent edges of the two halves of the table, the two halves thus being positioned in parallel, in the table's folded position, for transport or storage.
  • the two halves are positioned at a distance of less than 110 mm from one another in the table's folded position.
  • each support assembly comprises a strengthening crossbar that joins at least two of the legs of said assembly.
  • At least one strut is connected by articulation by one end to the corresponding crossbar and by the other end, also by articulation, to the other half of the table top, at a certain distance from the articulation of the two halves.
  • the legs comprise corresponding wheels on the end that rests on the floor.
  • the table comprises central support legs at each end of the articulation, which work with the legs to support the table on the floor and receive support from the articulation of the rotating shaft of the hinges and the table.
  • the support legs will stand slightly outside the perimeter of the table top area.
  • This feature helps to provide a very robust ping-pong table, which means that it can easily withstand said minimum of 80 kg.
  • each central support leg has a safety system that comprises a bushing which slides with friction along a vertical bar of said central leg, each bushing having at least two support arms that are secured by one end to the bushing by articulation, and secured by the other end, by articulation and so that they may slide, to the underside of a respective half of the table top.
  • This safety system works in a similar way to the spoke structure of an umbrella and provides friction between the bushing and the vertical bar of the central leg, thus preventing the sudden fall of the folded or half-folded table.
  • a system whereby the bushings lock onto the bar of the leg can secure the table in a folded position, it thus having both active and passive safety systems.
  • the table comprises a vertical net along the axis of articulation of the two halves of the table top in such a way that both the net and the table have dimensions and a shape that are suitable for playing table tennis or ping-pong.
  • Another additional feature of the present invention is that the vertical posts that hold up the net are attached to the tops of the central support legs.
  • the vertical posts may be detached from the tops of the central support legs.
  • the vertical posts are preferably able to regulate the height and separating distance, in order to modify the tension of the net.
  • the folding table comprises two T-shaped connection pieces, with three connection points respectively for the corresponding end of the central hinge assembly, the base of the corresponding vertical post of the net and the top of the corresponding central support leg, the shape of said connection pieces being graded from a substantially circular cross-section to a substantially oval cross-section in correspondence with the respective cross-sections of the central support legs and of the central hinge assembly.
  • each of the wheels swivels at the point where it is joined to each of the respective legs in such a way that said wheels have at least three fixed positions in relation to the position of play: 0°, 90° and 180°.
  • the modular structure and functionality of the parts of the table according to this invention mean that it is possible to manufacture these entirely from plastic, with the consequent advantage that the joints may be achieved by riveting, which is a very fast, economical and safe procedure.
  • the table can be manufactured in subsets and/or modules, which facilitates logistics and can simplify the production process in batches.
  • Fig. 1 shows a plan view of the ping-pong table 1 unfolded as for play. Obviously, this state is irrelevant in terms of the advantages provided by this invention as the standard measurements of the table top determine the space that the whole table must obligatorily occupy and the aforementioned figure is shown for illustrative purposes.
  • the folding table 1 comprises a table top consisting of two halves 2; 2', which are articulated on two hinges 18, one on either side of the table 1, that are particularly visible in Fig. 6.
  • the halves 2, 2' can be extended to form a single plane or positioned adjacent to one another in parallel for transport or storage purposes, and there is a frame underneath the table top to support the table on the ground at the right height.
  • the numerical references designate equivalent and symmetrical elements in both halves of the structure of the table 1, although they are differentiated by the symbol (').
  • said figure shows that the two halves 2, 2' of the table 1 adopt the same reference (2), the only difference being the one just stated above.
  • the folding mechanism situated underneath the table 1, can be best seen in Fig. 3.
  • Said folding mechanism also acts as the frame that supports the table 1. It essentially consists of two articulated quadrilateral structures that are known in other industrial and mechanics sectors.
  • Each half 2, 2' of the table 1 has a corresponding articulated quadrangle.
  • the quadrangle consists of the leg 5 or 6, the strut 7, segment CD (C being the point of articulation of said strut 7 in relation to the opposite half 2' of the table top) and segment AD (A being the point of articulation of the leg 5 or 6 in relation to the corresponding half 2 of the table top).
  • leg 5 or 6 One of the segments has been defined as the leg 5 or 6 due to the fact that the strut 7 can be attached to the end of either of the two legs 5, 6, or, as will be seen later, it can be attached to a strengthening crossbar 9 (optional though preferred) that joins the two legs 5, 6; it is also possible for the table 1 to have a greater number of struts 7 depending on the desired mechanical resistance for the materials with which the table 1 is made in each case. All these elements can be seen more clearly in Fig. 6 which shows the underside of the table 1.
  • the same articulated quadrilateral structure is symmetrically repeated for the other half 2' of the table 1.
  • the four vertices A, B, C, D (or A', B', C', D where this is the case) of the quadrangle are points of articulation of the corresponding segments that form the sides thereof so that the structure can be folded, the sides of the quadrangle thus being positioned adjacently in pairs.
  • BC + CD BA + AD for one quadrangle
  • B'C' + C'D B'A' + A'D for the other.
  • Points C and C' correspond to the articulations of the struts 7, 7', 8 and 8' on the hinges 18 of the two halves 2 and 2'.
  • Fig. 4 is a side view of the table 1 shown in Fig. 3 in a completely unfolded position.
  • the space occupied by the table 1 is reduced as much as possible, enabling it to be stored in any free area of a house or, for example, sports facilities.
  • the angled structure of the bases of the legs 5, 5', 6, 6' helps provide the table 1 with sufficient stability to transport it easily to the desired place. It can be observed that the total thickness of the folded table 1 is only a little greater that that of the sum of the two halves 2, 2' of the table top.
  • FIG. 5 shows the table 1 completely unfolded and in said figure the double articulated quadrilateral structure of vertices A, B, C and D, and A', B', C' and D, respectively, can be more clearly observed.
  • the materials from which the quadrilateral structure or frame of the table 1 is made are not essential for the purpose of the invention, although it is desirable to use lightweight materials in order to facilitate transport of the table 1 and it is essential to achieve an economical and easy assembly of the table 1. Also, the connection or shape of the elements that make up the articulated quadrangles of said frame are not essential either.
  • the fundamental aspect is the existence of two complementary articulated quadrilateral structures that, with the geometrical form established above, allow the table 1 to be folded completely.
  • tables 1 of this type Another aspect to be taken into account in tables 1 of this type is the ability to move or transport them with the greatest possible ease. For this reason, the table 1 has a set of wheels 10, 10', 11, 11' positioned accordingly on the lower ends of the legs 5, 5', 6, 6'. Once the table 1 is completely folded, it can be move more easily and occupies less space.
  • the preferred embodiment of the invention also includes two central support legs 12, 12' which improve the stability of the table 1 when in its unfolded operation state. These central legs 12, 12' are connected by a crossbar that forms the shaft 19 of the hinges 18, and they can be as robust as necessary according to the additional stability desired for the table and depending on the materials used in each case.
  • the central legs 12, 12' receive support from the articulation of the bar of the rotating shaft 19 of the hinges 18 and, consequently, the rotation that folds / unfolds the table.
  • the central legs 12, 12' may also form a decorative and therefore commercially attractive element for the sides of the table 1, especially when it is folded, said legs 12, 12' hiding the sight of the underneath of the table 1. Furthermore, in one of the preferred embodiments of the invention, the tops of the central legs 12, 12' can act as support for the posts 13, 13' that hold up the net 3 and in another alternative of the invention, said posts 13, 13' can be detached from said legs 12, 12'.
  • the vertical posts 13; 13' can regulate the height and separating distance, in order to modify the tension of the net, by means of a retaining mechanism 21 and 22 (Fig. 11).
  • the posts 13 and 13' are also designed so as to act as a handle to aid the folding or unfolding procedure of the table 1.
  • the folding system allows the table 1 to be folded in such a way that the playing surfaces face outwards. This facility aids the folding procedure, whereby it is only necessary to apply a pushing force, thanks to the wheels 10, 10', 11, 11' on the legs 5, 5', 6, 6', and not a lifting or raising force to lift each half 2, 2' of the table 1.
  • Figs. 7 to 10 serve specifically to show the folding system by friction with the bushing 14, 14'.
  • Each of the legs 12, 12' has a bushing 14, 14' connected by friction to a respective vertical bar 20 of each leg 12, 12', along the outside whereof it can slide.
  • This bushing 14, 14' can slide along each leg 12, 12' so as to aid the folding and unfolding of the table 1, as these movements are made more smooth thanks to the friction of the corresponding bushing 14, 14' with the leg 12, 12' on which it is mounted, and thanks to a pair of respective support arms 15, 16, 15', 16' that join each bushing 14, 14' by articulation with the two halves 2, 2' of the table top.
  • Each bushing 14, 14' also has an inner bushing 23, 23'.
  • the arms 15, 16, 15', 16' can slide, by the end fixed to the table 1 by articulation, along the underneath of said table 1.
  • Said bushing 14, 14' and support arm 15, 16, 15', 16' assembly can be seen in an ordered exploded view in Fig. 11.
  • Figures 8 to 11 also show a Z-shaped safety lever 24, which is actuated by a spring and which is blocked in the corresponding safety position by means of a catch. Said safety position prevents the accidental opening of the table 1 in order to avoid possible accidents or injury to the user.
  • the bushings 14, 14' are in their lower position (Fig. 10), in which they are blocked by the corresponding locking systems to the bars 20.
  • each of the wheels 10, 11; 10', 11' swivels at the point where it is joined to each of the respective legs 5,6; 5', 6' and comprises a mechanism for fixing the angular position of the wheel in at least three fixed positions in relation to the position of play: 0° (normal playing position), 90° (packaging and transport position) and 180° (playing position for disabled people in wheel chairs).
  • This fixing mechanism may consist of locking systems in fixed positions of rotation of the conventional type.
  • folding table could be used to support blackboards or audiovisual projection screens in meeting rooms or classrooms. This feature is very useful, for example, in schools, colleges and educational establishments in general, in which the combination of purely academic activities and leisure or sports activities is usual.

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  • Tables And Desks Characterized By Structural Shape (AREA)
EP05826511A 2004-12-13 2005-12-13 Klapptisch Withdrawn EP1829462A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200402953A ES2255447B1 (es) 2004-12-13 2004-12-13 Mesa plegable.
PCT/ES2005/000675 WO2006064068A1 (es) 2004-12-13 2005-12-13 Mesa plegable

Publications (1)

Publication Number Publication Date
EP1829462A1 true EP1829462A1 (de) 2007-09-05

Family

ID=36587564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05826511A Withdrawn EP1829462A1 (de) 2004-12-13 2005-12-13 Klapptisch

Country Status (6)

Country Link
US (1) US20090176605A1 (de)
EP (1) EP1829462A1 (de)
CN (1) CN101141899A (de)
ES (1) ES2255447B1 (de)
MX (1) MX2007007053A (de)
WO (1) WO2006064068A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190124611A (ko) * 2018-04-26 2019-11-05 주식회사 엑시옴 저면공간의 확보가 가능한 접이식 탁구대
KR102176984B1 (ko) * 2019-08-06 2020-11-10 주식회사 엑시옴 저면공간의 확보가 가능한 접이식 탁구대
FR3107820A1 (fr) 2020-03-05 2021-09-10 Carrefour Table a pietement rabattable

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2446782B (en) * 2007-02-23 2011-06-15 Fwt Folding trampoline
US8573139B2 (en) * 2010-02-03 2013-11-05 Lifetime Products, Inc. Table
DE202012001494U1 (de) 2012-02-14 2012-02-28 Heinz Kettler Gmbh & Co. Kg Haltevorrichtung für ein Netz einer Tischtennisvorrichtung
FR2987245B1 (fr) * 2012-02-28 2016-09-09 Tente Roulettes Polymeres - Bruandet Table pour tennis de table
US9919193B2 (en) * 2016-05-02 2018-03-20 Jared De Santis Ping pong table
USD958280S1 (en) 2020-06-08 2022-07-19 Cornilleau Sas Table tennis table
FR3114015B1 (fr) * 2020-09-17 2023-11-17 Decathlon Sa Installation pour la pratique du tennis de table
CN113827040B (zh) * 2021-09-07 2023-05-30 方晓华 一种中小学生用防护应急安全课桌

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725987A (en) * 1952-07-11 1955-12-06 Howe Folding Furniture Inc Folding shelf construction for folding tables
US2709631A (en) * 1953-06-01 1955-05-31 Charles C Covucci Folding sectional top table
US2730417A (en) * 1953-07-08 1956-01-10 Mitchell Mfg Company Leg and bracing mechanism for sectional folding tables or the like
US2738664A (en) * 1955-04-18 1956-03-20 United Shoe Machinery Corp Collapsible leather workpiece supports
US3080834A (en) * 1961-02-24 1963-03-12 Peabody Seating Company Inc Foldable furniture
GB1052619A (de) * 1964-12-15
US3557720A (en) * 1969-01-17 1971-01-26 Mitchell Mfg Co Portable folding tables
US3884160A (en) * 1973-11-23 1975-05-20 Julian Gutierrez Folding table center leg structure
US4026221A (en) * 1975-10-29 1977-05-31 Sico Incorporated Multi-leg mobile folding stage
US4054096A (en) * 1976-04-06 1977-10-18 Sico Incorporated Mobile elevationally adjustable stage
US4027600A (en) * 1976-06-17 1977-06-07 American Hospital Supply Corporation Combination safety stop and down lock for folding tables
DE4334276A1 (de) * 1993-10-08 1995-04-13 Wilkhahn Wilkening & Hahne Klapptisch
US6164016A (en) * 1997-08-01 2000-12-26 Sico Incorporated Deck connector
US6065802A (en) * 1998-04-08 2000-05-23 Sico Incorporated Folding table and seating apparatus
US6164017A (en) * 1999-01-06 2000-12-26 Sico Incorporated Adjustable linkage
US6223661B1 (en) * 1999-11-16 2001-05-01 Krueger International, Inc. Folding roll-away table
ITMI20001295A1 (it) * 2000-06-09 2001-12-10 E R Rovera S P A Tavolo da tennis tavolo pieghievole
US7069865B2 (en) * 2002-04-09 2006-07-04 Lifetime Products, Inc. High strength, lightweight blow-molded plastic structures
US20040079261A1 (en) * 2002-10-29 2004-04-29 Sportcraft, Ltd. Four piece foldable table tennis table
US7171911B1 (en) * 2003-02-26 2007-02-06 Midwest Folding Products Mobile folding table having a lifting assist center torsion bar and lift off casters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006064068A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190124611A (ko) * 2018-04-26 2019-11-05 주식회사 엑시옴 저면공간의 확보가 가능한 접이식 탁구대
KR102176984B1 (ko) * 2019-08-06 2020-11-10 주식회사 엑시옴 저면공간의 확보가 가능한 접이식 탁구대
FR3107820A1 (fr) 2020-03-05 2021-09-10 Carrefour Table a pietement rabattable
WO2021176188A1 (fr) 2020-03-05 2021-09-10 Carrefour Table a pietement rabattable
FR3107819A1 (fr) 2020-03-05 2021-09-10 Carrefour Table pliante à jambe centrale rabattable

Also Published As

Publication number Publication date
MX2007007053A (es) 2007-11-22
CN101141899A (zh) 2008-03-12
US20090176605A1 (en) 2009-07-09
ES2255447B1 (es) 2007-08-01
ES2255447A1 (es) 2006-06-16
WO2006064068A1 (es) 2006-06-22

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